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Almandine from
Becker Quarry, Willington, Tolland County, Connecticut, USA


08434030017362625965685.jpg
Almandine, etc.

Becker Quarry, Willington, Tolland County, Connecticut, USA
03261770017272012557027.jpg
Almandine

Becker Quarry, Willington, Tolland County, Connecticut, USA
08089530017272012599659.jpg
Almandine, etc.

Becker Quarry, Willington, Tolland County, Connecticut, USA
03654060017272012622224.jpg
Almandine, etc.

Becker Quarry, Willington, Tolland County, Connecticut, USA
01185120017367189087186.jpg
Almandine, etc.

Becker Quarry, Willington, Tolland County, Connecticut, USA
03261770017272012557027.jpg
Almandine

Becker Quarry, Willington, Tolland County, Connecticut, USA
08089530017272012599659.jpg
Almandine, etc.

Becker Quarry, Willington, Tolland County, Connecticut, USA
03654060017272012622224.jpg
Almandine, etc.

Becker Quarry, Willington, Tolland County, Connecticut, USA
03900990017367189088269.jpg
Almandine, etc.

Becker Quarry, Willington, Tolland County, Connecticut, USA
08026820017272012641066.jpg
Almandine

Becker Quarry, Willington, Tolland County, Connecticut, USA
08089530017272012599659.jpg
Almandine, etc.

Becker Quarry, Willington, Tolland County, Connecticut, USA
03654060017272012622224.jpg
Almandine, etc.

Becker Quarry, Willington, Tolland County, Connecticut, USA
Locality type:Quarry
Classification
Species:Almandine
Formula:Fe32+Al2(SiO4)3
Formation:Primary
Comments:Pocket crystals with finely striated faces can reach over 7 cm. Compositionally zoned, with up to about 0.2 mole fraction grossular, 0.15 mole fraction pyrope, and 0.05 mole fraction spessartine - more toward the crystals' cores.
Habit:trapezohedral
Colour:red to maroon
Quality for species:Excellent - world class for species or very significant. (!!)
Abundance at site:Common
Confirmation
Validity:Confirmed
Confirmation Methods:SEM-EDS
Associated Minerals Based on Photo Data:
Magnesite9
Calcite7
Quartz7
Muscovite1
Chlorite Group1
Titanite1
Hornblende Root Name Group1
Data
Mineral Data:Click here to view Almandine data
Locality Data:Click here to view Becker Quarry, Willington, Tolland County, Connecticut, USA
Photo GalleryView Gallery (8 photos)
Data Identifiers
Mindat Occurrence Record ID:97382
Long-form Identifier:1:3:97382:1
GUID (UUID V4):0
Nearest other occurrences of Almandine
10.1km (6.3 miles) ⓘBurgundy Hill Quarry, Tolland, Tolland County, Connecticut, USA
12.2km (7.6 miles) ⓘState Route 31 and Dockerel Road intersection, Tolland, Tolland County, Connecticut, USA
25.5km (15.8 miles) ⓘBirch Mountain Road, Glastonbury, Hartford County, Connecticut, USA
26.9km (16.7 miles) ⓘDiamond Lake locality, Glastonbury, Hartford County, Connecticut, USA
31.3km (19.5 miles) ⓘSpinelli prospect (Spinelli quarry), Glastonbury, Hartford County, Connecticut, USA
35.4km (22.0 miles) ⓘNike prospect, Portland, Middlesex County, Connecticut, USA
36.5km (22.7 miles) ⓘHollister prospects, South Glastonbury, Glastonbury, Hartford County, Connecticut, USA
36.8km (22.8 miles) ⓘHusband Quarries, South Glastonbury, Glastonbury, Hartford County, Connecticut, USA
37.0km (23.0 miles) ⓘGas pipeline excavation, South Glastonbury, Glastonbury, Hartford County, Connecticut, USA
37.0km (23.0 miles) ⓘSimpson Quarry (Wiarda Quarry), South Glastonbury, Glastonbury, Hartford County, Connecticut, USA
References
Ague, Jay J. (1995) Deep crustal growth of quartz, kyanite and garnet into large-aperture, fluid-filled fractures, north-eastern Connecticut, USA. Journal of Metamorphic Geology, 13 (2). 299-314
 
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